Plot: Y/N was once a soldier of the fire nation he was incredibly gifted fire Bender one that could without a doubt surpasses the fire lord but unfortunately said felt threatened by Y/N because the man had a good heart and tried to change things that Ozai did not want to happen this was because the man was hell bend of conquering all the nations he was only doing it to feed his own ego he didn't care who got hurt in the process as long as he got what he wanted so when Ozai learn of a prisoner transfer the man made sure that Y/N was there and made it where Y/N from an ambush however Y/N survived along with the prisoner whose is Inko(Yes from MHA) a woman and soldier of the earth kingdom who with her companion Rei(Yes from MHA) who who comes from the northern water tribe and along with his best friend Mitsuki(Yes from MHA) the three would end up having no memory suffering from amnesia they would live their lives as farmers but after an incident that involves team Avatar would three end up getting their memories back helping Aang become the avatar that he needs to be but also letting the young man know that he is not fighting alone after defeating fire lord who claimed himself as the phoenix king Ozai would Y/N. Inko. Rei and Mitsuki end up getting married and have children together and then help train Korra who would become the new avatar after Aang's passed away and then pass away but then Y/N would find himself in front of a god named Joy(Me) who then told Y/N that he would be going to another world because of a great evil Y/N agrees and Joy would tell Y/N that his wives will also being going with him after that Y/N would find himself in his new life and world and promise that he will help defend the world and fight against the evil that lives in Mato

Name: Y/N Faiahato(Meaning Fire Heart)
Hair color: Orange
Eye color: Red
Gender: Male
Race: Human. Bender. Megumareta(Via Kyoka Uzen). Transmigrator.
Age: 87(Previously life) 20(New life)
Vital Status: Alive
Appearance:

Bending ability: Fire

Sub Bending Abilities: Heat bending. Lightning bending. Electricity current bending. Steam bending(Via heat signature).

Joy: In addition of being born a fire bender they had the benefit of having infrared vision being able to see signatures from living beings or anything that would generate heat and that's what Y/N has

Sword styles: Fire breathing. Thunder breathing. Sun Breathing.

Occupation: Fire bending soldier of the fire nation(Formally). Husband(Formally). Fire bending teacher of Aang and Zuku(Formally). Warrior trainer of Sokka(Formally). Father(Formally). Farmer(Formally). Caretaker of the seventh unit. Martial artist. Slave of Kyoka Uzen. Progenitor of the thunder,Fire and Sun Breathing styles. Progenitor of Hamon. Progenitor of total concentration breathing. Demon hunter.

Affiliations: The Fire Nation(Formally). Team Avatar(Formally). The Seventh unit. Yakumo Ezo(Student). Kyoka Uzen(Student). Himari Azuma(Student). Konomi Tatara(Student). Bell Tsukiyono(Student). Tenka Izumo. Ren Yamashiro. Mato Defense Corps.

Main Girls: Inko. Mitsuki. Rei.

Tags:
1. Mato Seihei No Slave
2. Harem
3. Male Fire Bender Reader
4. Romance
5. Isekai
6. Love
7. The eight gods of thunder
8. Ecchi
9. Blood and gore
10. Determination
11. Corruption
12. Superpowers
13. Original Characters
14. Demon hunter
15. Discrimination
16. Demons
17. The eight gods of thunder
18. Martial arts